21974660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 50539776

約数和(自身を除く): 28565116

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 67, 92, 115, 124, 134, 155, 230, 268, 310, 335, 460, 529, 620, 670, 713, 1058, 1340, 1426, 1541, 2077, 2116, 2645, 2852, 3082, 3565, 4154, 5290, 6164, 7130, 7705, 8308, 10385, 10580, 14260, 15410, 16399, 20770, 30820, 32798, 35443, 41540, 47771, 65596, 70886, 81995, 95542, 141772, 163990, 177215, 191084, 238855, 327980, 354430, 477710, 708860, 955420, 1098733, 2197466, 4394932, 5493665, 10987330, 21974660]

約数ペア:

[(1, 21974660), (2, 10987330), (4, 5493665), (5, 4394932), (10, 2197466), (20, 1098733), (23, 955420), (31, 708860), (46, 477710), (62, 354430), (67, 327980), (92, 238855), (115, 191084), (124, 177215), (134, 163990), (155, 141772), (230, 95542), (268, 81995), (310, 70886), (335, 65596), (460, 47771), (529, 41540), (620, 35443), (670, 32798), (713, 30820), (1058, 20770), (1340, 16399), (1426, 15410), (1541, 14260), (2077, 10580), (2116, 10385), (2645, 8308), (2852, 7705), (3082, 7130), (3565, 6164), (4154, 5290)]