21792810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 41348310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 34, 38, 39, 51, 57, 65, 78, 85, 95, 102, 114, 130, 170, 173, 190, 195, 221, 247, 255, 285, 323, 346, 390, 442, 494, 510, 519, 570, 646, 663, 741, 865, 969, 1038, 1105, 1235, 1326, 1482, 1615, 1730, 1938, 2210, 2249, 2470, 2595, 2941, 3230, 3287, 3315, 3705, 4199, 4498, 4845, 5190, 5882, 6574, 6630, 6747, 7410, 8398, 8823, 9690, 9861, 11245, 12597, 13494, 14705, 16435, 17646, 19722, 20995, 22490, 25194, 29410, 32870, 33735, 38233, 41990, 42731, 44115, 49305, 55879, 62985, 67470, 76466, 85462, 88230, 98610, 111758, 114699, 125970, 128193, 167637, 191165, 213655, 229398, 256386, 279395, 335274, 382330, 427310, 558790, 573495, 640965, 726427, 838185, 1146990, 1281930, 1452854, 1676370, 2179281, 3632135, 4358562, 7264270, 10896405, 21792810]

約数ペア:

[(1, 21792810), (2, 10896405), (3, 7264270), (5, 4358562), (6, 3632135), (10, 2179281), (13, 1676370), (15, 1452854), (17, 1281930), (19, 1146990), (26, 838185), (30, 726427), (34, 640965), (38, 573495), (39, 558790), (51, 427310), (57, 382330), (65, 335274), (78, 279395), (85, 256386), (95, 229398), (102, 213655), (114, 191165), (130, 167637), (170, 128193), (173, 125970), (190, 114699), (195, 111758), (221, 98610), (247, 88230), (255, 85462), (285, 76466), (323, 67470), (346, 62985), (390, 55879), (442, 49305), (494, 44115), (510, 42731), (519, 41990), (570, 38233), (646, 33735), (663, 32870), (741, 29410), (865, 25194), (969, 22490), (1038, 20995), (1105, 19722), (1235, 17646), (1326, 16435), (1482, 14705), (1615, 13494), (1730, 12597), (1938, 11245), (2210, 9861), (2249, 9690), (2470, 8823), (2595, 8398), (2941, 7410), (3230, 6747), (3287, 6630), (3315, 6574), (3705, 5882), (4199, 5190), (4498, 4845)]