21462240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:812

約数の個数: 96

約数和(自身を含む): 68808096

約数和(自身を除く): 47345856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 733, 915, 976, 1220, 1464, 1466, 1830, 1952, 2199, 2440, 2928, 2932, 3660, 3665, 4398, 4880, 5856, 5864, 7320, 7330, 8796, 9760, 10995, 11728, 14640, 14660, 17592, 21990, 23456, 29280, 29320, 35184, 43980, 44713, 58640, 70368, 87960, 89426, 117280, 134139, 175920, 178852, 223565, 268278, 351840, 357704, 447130, 536556, 670695, 715408, 894260, 1073112, 1341390, 1430816, 1788520, 2146224, 2682780, 3577040, 4292448, 5365560, 7154080, 10731120, 21462240]

約数ペア:

[(1, 21462240), (2, 10731120), (3, 7154080), (4, 5365560), (5, 4292448), (6, 3577040), (8, 2682780), (10, 2146224), (12, 1788520), (15, 1430816), (16, 1341390), (20, 1073112), (24, 894260), (30, 715408), (32, 670695), (40, 536556), (48, 447130), (60, 357704), (61, 351840), (80, 268278), (96, 223565), (120, 178852), (122, 175920), (160, 134139), (183, 117280), (240, 89426), (244, 87960), (305, 70368), (366, 58640), (480, 44713), (488, 43980), (610, 35184), (732, 29320), (733, 29280), (915, 23456), (976, 21990), (1220, 17592), (1464, 14660), (1466, 14640), (1830, 11728), (1952, 10995), (2199, 9760), (2440, 8796), (2928, 7330), (2932, 7320), (3660, 5864), (3665, 5856), (4398, 4880)]