21330396180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3251}}^1\times {\mathrm{36451}}^1$

素因数の和:39717

約数の個数: 72

約数和(自身を含む): 64723879584

約数和(自身を除く): 43393483404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3251, 6502, 9753, 13004, 16255, 19506, 29259, 32510, 36451, 39012, 48765, 58518, 65020, 72902, 97530, 109353, 117036, 145804, 146295, 182255, 195060, 218706, 292590, 328059, 364510, 437412, 546765, 585180, 656118, 729020, 1093530, 1312236, 1640295, 2187060, 3280590, 6561180, 118502201, 237004402, 355506603, 474008804, 592511005, 711013206, 1066519809, 1185022010, 1422026412, 1777533015, 2133039618, 2370044020, 3555066030, 4266079236, 5332599045, 7110132060, 10665198090, 21330396180]

約数ペア:

[(1, 21330396180), (2, 10665198090), (3, 7110132060), (4, 5332599045), (5, 4266079236), (6, 3555066030), (9, 2370044020), (10, 2133039618), (12, 1777533015), (15, 1422026412), (18, 1185022010), (20, 1066519809), (30, 711013206), (36, 592511005), (45, 474008804), (60, 355506603), (90, 237004402), (180, 118502201), (3251, 6561180), (6502, 3280590), (9753, 2187060), (13004, 1640295), (16255, 1312236), (19506, 1093530), (29259, 729020), (32510, 656118), (36451, 585180), (39012, 546765), (48765, 437412), (58518, 364510), (65020, 328059), (72902, 292590), (97530, 218706), (109353, 195060), (117036, 182255), (145804, 146295)]