21223792980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1\times {\mathrm{3373}}^1$

素因数の和:6090

約数の個数: 144

約数和(自身を含む): 69377402640

約数和(自身を除く): 48153609660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 2689, 3373, 5378, 6746, 8067, 10119, 10756, 13445, 13492, 16134, 16865, 20238, 24201, 26890, 30357, 32268, 33730, 34957, 40335, 40476, 43849, 48402, 50595, 53780, 60714, 67460, 69914, 80670, 87698, 96804, 101190, 104871, 121005, 121428, 131547, 139828, 151785, 161340, 174785, 175396, 202380, 209742, 219245, 242010, 263094, 303570, 314613, 349570, 394641, 419484, 438490, 484020, 524355, 526188, 607140, 629226, 657735, 699140, 789282, 876980, 1048710, 1258452, 1315470, 1573065, 1578564, 1973205, 2097420, 2630940, 3146130, 3946410, 6292260, 7892820, 9069997, 18139994, 27209991, 36279988, 45349985, 54419982, 81629973, 90699970, 108839964, 117909961, 136049955, 163259946, 181399940, 235819922, 272099910, 326519892, 353729883, 408149865, 471639844, 544199820, 589549805, 707459766, 816299730, 1061189649, 1179099610, 1414919532, 1632599460, 1768649415, 2122379298, 2358199220, 3537298830, 4244758596, 5305948245, 7074597660, 10611896490, 21223792980]

約数ペア:

[(1, 21223792980), (2, 10611896490), (3, 7074597660), (4, 5305948245), (5, 4244758596), (6, 3537298830), (9, 2358199220), (10, 2122379298), (12, 1768649415), (13, 1632599460), (15, 1414919532), (18, 1179099610), (20, 1061189649), (26, 816299730), (30, 707459766), (36, 589549805), (39, 544199820), (45, 471639844), (52, 408149865), (60, 353729883), (65, 326519892), (78, 272099910), (90, 235819922), (117, 181399940), (130, 163259946), (156, 136049955), (180, 117909961), (195, 108839964), (234, 90699970), (260, 81629973), (390, 54419982), (468, 45349985), (585, 36279988), (780, 27209991), (1170, 18139994), (2340, 9069997), (2689, 7892820), (3373, 6292260), (5378, 3946410), (6746, 3146130), (8067, 2630940), (10119, 2097420), (10756, 1973205), (13445, 1578564), (13492, 1573065), (16134, 1315470), (16865, 1258452), (20238, 1048710), (24201, 876980), (26890, 789282), (30357, 699140), (32268, 657735), (33730, 629226), (34957, 607140), (40335, 526188), (40476, 524355), (43849, 484020), (48402, 438490), (50595, 419484), (53780, 394641), (60714, 349570), (67460, 314613), (69914, 303570), (80670, 263094), (87698, 242010), (96804, 219245), (101190, 209742), (104871, 202380), (121005, 175396), (121428, 174785), (131547, 161340), (139828, 151785)]