21443484

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 29964516

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 149, 179, 201, 268, 298, 358, 402, 447, 537, 596, 716, 804, 894, 1074, 1788, 2148, 9983, 11993, 19966, 23986, 26671, 29949, 35979, 39932, 47972, 53342, 59898, 71958, 80013, 106684, 119796, 143916, 160026, 320052, 1786957, 3573914, 5360871, 7147828, 10721742, 21443484]

約数ペア:

[(1, 21443484), (2, 10721742), (3, 7147828), (4, 5360871), (6, 3573914), (12, 1786957), (67, 320052), (134, 160026), (149, 143916), (179, 119796), (201, 106684), (268, 80013), (298, 71958), (358, 59898), (402, 53342), (447, 47972), (537, 39932), (596, 35979), (716, 29949), (804, 26671), (894, 23986), (1074, 19966), (1788, 11993), (2148, 9983)]