21272235714

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{751}}^1\times {\mathrm{3299}}^1$

素因数の和:4117

約数の個数: 80

約数和(自身を含む): 48644323200

約数和(自身を除く): 27372087486

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 318, 477, 751, 954, 1431, 1502, 2253, 2862, 3299, 4293, 4506, 6598, 6759, 8586, 9897, 13518, 19794, 20277, 29691, 39803, 40554, 59382, 60831, 79606, 89073, 119409, 121662, 174847, 178146, 238818, 267219, 349694, 358227, 524541, 534438, 716454, 1049082, 1074681, 1573623, 2149362, 2477549, 3147246, 3224043, 4720869, 4955098, 6448086, 7432647, 9441738, 14162607, 14865294, 22297941, 28325214, 44595882, 66893823, 131310097, 133787646, 200681469, 262620194, 393930291, 401362938, 787860582, 1181790873, 2363581746, 3545372619, 7090745238, 10636117857, 21272235714]

約数ペア:

[(1, 21272235714), (2, 10636117857), (3, 7090745238), (6, 3545372619), (9, 2363581746), (18, 1181790873), (27, 787860582), (53, 401362938), (54, 393930291), (81, 262620194), (106, 200681469), (159, 133787646), (162, 131310097), (318, 66893823), (477, 44595882), (751, 28325214), (954, 22297941), (1431, 14865294), (1502, 14162607), (2253, 9441738), (2862, 7432647), (3299, 6448086), (4293, 4955098), (4506, 4720869), (6598, 3224043), (6759, 3147246), (8586, 2477549), (9897, 2149362), (13518, 1573623), (19794, 1074681), (20277, 1049082), (29691, 716454), (39803, 534438), (40554, 524541), (59382, 358227), (60831, 349694), (79606, 267219), (89073, 238818), (119409, 178146), (121662, 174847)]