21167640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4523}}^1$

素因数の和:4553

約数の個数: 96

約数和(自身を含む): 74103120

約数和(自身を除く): 52935480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4523, 4680, 9046, 13569, 18092, 22615, 27138, 36184, 40707, 45230, 54276, 58799, 67845, 81414, 90460, 108552, 117598, 135690, 162828, 176397, 180920, 203535, 235196, 271380, 293995, 325656, 352794, 407070, 470392, 529191, 542760, 587990, 705588, 814140, 881985, 1058382, 1175980, 1411176, 1628280, 1763970, 2116764, 2351960, 2645955, 3527940, 4233528, 5291910, 7055880, 10583820, 21167640]

約数ペア:

[(1, 21167640), (2, 10583820), (3, 7055880), (4, 5291910), (5, 4233528), (6, 3527940), (8, 2645955), (9, 2351960), (10, 2116764), (12, 1763970), (13, 1628280), (15, 1411176), (18, 1175980), (20, 1058382), (24, 881985), (26, 814140), (30, 705588), (36, 587990), (39, 542760), (40, 529191), (45, 470392), (52, 407070), (60, 352794), (65, 325656), (72, 293995), (78, 271380), (90, 235196), (104, 203535), (117, 180920), (120, 176397), (130, 162828), (156, 135690), (180, 117598), (195, 108552), (234, 90460), (260, 81414), (312, 67845), (360, 58799), (390, 54276), (468, 45230), (520, 40707), (585, 36184), (780, 27138), (936, 22615), (1170, 18092), (1560, 13569), (2340, 9046), (4523, 4680)]